l = [1, 5, "abc"]
print(1)
print(1[0])
print(1[1])
print(1[2])


try:
    print(1[3])
except IndexError as e:
    print(e)

print(1[-1])
print(1[-1][1])

a = [2, 5]
b = ["a", "c"]
print(a + b)
print(b + a)
print(a + b == b + a)

a = [2, 5]
b = [5]
try:
    print(a - b)
except TypeError as e:
    print(e)
